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  <title>Set the session cookie parameters</title>

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</div><hr /><div id="function.session-set-cookie-params" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">session_set_cookie_params</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">session_set_cookie_params</span> &mdash; <span class="dc-title">Set the session cookie parameters</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.session-set-cookie-params-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>session_set_cookie_params</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$lifetime</code></span>
   [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>
   [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$domain</code></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$secure</code><span class="initializer"> = false</span></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$httponly</code><span class="initializer"> = false</span></span>
  ]]]] )</div>

  <p class="para rdfs-comment">
   Set cookie parameters defined in the <var class="filename">php.ini</var> file. The effect of this
   function only lasts for the duration of the script. Thus, you need to
   call <span class="function"><strong>session_set_cookie_params()</strong></span> for every request and
   before <span class="function"><a href="function.session-start.html" class="function">session_start()</a></span> is called.
  </p>
  <p class="para">
   This function updates the runtime ini values of the corresponding PHP ini configuration
   keys which can be retrieved with the <span class="function"><a href="function.ini-get.html" class="function">ini_get()</a></span>.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.session-set-cookie-params-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">lifetime</code></em></dt>

     <dd>

      <p class="para">
       <a href="session.configuration.html#ini.session.cookie-lifetime" class="link">Lifetime</a> of the
       session cookie, defined in seconds.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">path</code></em></dt>

     <dd>

      <p class="para">
       <a href="session.configuration.html#ini.session.cookie-path" class="link">Path</a> on the domain where
       the cookie will work. Use a single slash (&#039;/&#039;) for all paths on the
       domain.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">domain</code></em></dt>

     <dd>

      <p class="para">
       Cookie <a href="session.configuration.html#ini.session.cookie-domain" class="link">domain</a>, for
       example &#039;www.php.net&#039;. To make cookies visible on all subdomains then
       the domain must be prefixed with a dot like &#039;.php.net&#039;.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">secure</code></em></dt>

     <dd>

      <p class="para">
       If <strong><code>TRUE</code></strong> cookie will only be sent over
       <a href="session.configuration.html#ini.session.cookie-secure" class="link">secure</a> connections.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">httponly</code></em></dt>

     <dd>

      <p class="para">
       If set to <strong><code>TRUE</code></strong> then PHP will attempt to send the
       <a href="session.configuration.html#ini.session.cookie-httponly" class="link">httponly</a>
       flag when setting the session cookie.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.session-set-cookie-params-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.session-set-cookie-params-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.2.0</td>
       <td>
        The <em><code class="parameter">httponly</code></em> parameter was added.
       </td>
      </tr>

      <tr>
       <td>4.0.4</td>
       <td>
        The <em><code class="parameter">secure</code></em> parameter was added.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.session-set-cookie-params-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member">
     <a href="session.configuration.html#ini.session.cookie-lifetime" class="link">session.cookie_lifetime</a>
    </li>
    <li class="member">
     <a href="session.configuration.html#ini.session.cookie-path" class="link">session.cookie_path</a>
    </li>
    <li class="member">
     <a href="session.configuration.html#ini.session.cookie-domain" class="link">session.cookie_domain</a>
    </li>
    <li class="member">
     <a href="session.configuration.html#ini.session.cookie-secure" class="link">session.cookie_secure</a>
    </li>
    <li class="member">
     <a href="session.configuration.html#ini.session.cookie-httponly" class="link">session.cookie_httponly</a>
    </li>
    <li class="member"><span class="function"><a href="function.session-get-cookie-params.html" class="function" rel="rdfs-seeAlso">session_get_cookie_params()</a> - Get the session cookie parameters</span></li>
   </ul>
  </p>
 </div>


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